Best Served Cold

Dire Hour 4 — As an additional cost to cast this spell, you may pay 4 life.
Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control." If the Dire Hour cost way paid, when a creature enters
the battlefield this way, destroy target creature that dealt damage this turn.
"You were a hero round these parts, Monza. That’s what they call you when you kill so many people the word murderer falls short."